Investigating a Marijuana-based Compound as a Treatment for Anxiety in Autistic Adults

The marijuana-based investigation medical product (MB-IMP) in this study is 23 parts CBD and 1 part THC. The placebo is medium chain triglyceride oil. MB-IMP or placebo will be taken orally. DSM-5 diagnosis of autism spectrum disorder will be confirmed with Autism Diagnostic Observation Schedule, version 2, and review of medical records. History of psychosis, suicidality, cardiac or hepatocellular issues may be exclusionary. The participant must have a study partner who will complete observational assessments regarding the participant\'s behavior. The screening period is 3 weeks to allow for lab results and medical records to be obtained. The active phase of the study (on drug or placebo) is 8 weeks, and their will be one follow-up visit after 14 days off drug.